System Installation Manual
DV-38
ENVIROMENTAL REQUIREMENT
z
The Key System Unit (KSU) should be installed at a clean, dry and secure
location accessible only by authorized personnel. The location must have
adequate ventilation and a temperature range between 0 ~ 45
o
C with a 10
~ 90% non-condensing relative humidity.
z
The installation site should have sufficient room to mount the KSU along
with the necessary connecting blocks and ancillary equipment on a wall.
The installation site should not be in areas subject to static electricity (
e.g.
Dry copiers), or vibration (
e.g.
Heavy machinery).
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A dedicated earthed power outlet for the KSU (either 240VAC/50Hz or
110VAC/60Hz) and a 10 Amp circuit are required. An integral earth is
required in the AC power cord. If a music source or optional external
paging equipment is installed, it must be connected to an AC circuit
separate
from the KSU’s dedicated AC line. ONLY THE KSU’S POWER
SUPPLY SHOULD BE CONNECTED TO THE DEDICATED AC OUTLET.
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Arista Systems Corporation
